第7题: [多项选择]盒子化产品oracle用户下安装的组件有()。 A. oracle 11g服务端 B. Datastation C. oracle 11g客户端 D. iweb 参考答案:A, C
第8题: [单项选择]why do some stations keep silence?() A. Because they are not engaged in the distress traffic B. they will affect the transmission of the distress traffic C. The powers of these stations are very weak D. They are not in charge of search and rescue 参考答案:B